Disclosed herein are planctomycetes sp. In one embodiment, the apparatus includes an automated mechanical system for scanning a light meter over a test pattern displayed on a display device. The control electrode and screen electrode each include three mutually electrically insulated sections for independently controlling each of three electron beams passing through the electrodes. The system also provides improved methods and apparatus for storage and retrieval of records from a database utilizing the DBMSs cluster storage and index retrieval facilitates, in combination with a smaller-than-usual hash bucket size.